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llvmpipe: Handle nir_tex_src_min_lod

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Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33628>
This commit is contained in:
Konstantin Seurer 2025-01-30 18:24:59 +01:00 • committed by Marge Bot
parent db34e2d540
commit a8b104d9bd
7 changed files with 36 additions and 7 deletions
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2
src/gallium/auxiliary/gallivm/lp_bld_jit_sample.c
View file

@ -254,6 +254,8 @@ lp_bld_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base
enum lp_sampler_lod_control lod_control = (params->sample_key & LP_SAMPLER_LOD_CONTROL_MASK) >> LP_SAMPLER_LOD_CONTROL_SHIFT;
if (lod_control == LP_SAMPLER_LOD_BIAS || lod_control == LP_SAMPLER_LOD_EXPLICIT)
args[num_args++] = params->lod;
if (params->sample_key & LP_SAMPLER_MIN_LOD)
args[num_args++] = params->min_lod;
if (params->type.length != lp_native_vector_width / 32)
for (uint32_t i = 0; i < num_args; i++)

3
src/gallium/auxiliary/gallivm/lp_bld_jit_types.c
View file

@ -807,6 +807,9 @@ lp_build_sample_function_type(struct gallivm_state *gallivm, uint32_t sample_key
if (lod_control == LP_SAMPLER_LOD_BIAS || lod_control == LP_SAMPLER_LOD_EXPLICIT)
arg_types[num_params++] = coord_type;
if (sample_key & LP_SAMPLER_MIN_LOD)
arg_types[num_params++] = coord_type;
val_type[0] = val_type[1] = val_type[2] = val_type[3] = lp_build_vec_type(gallivm, type);
val_type[4] = lp_build_int_vec_type(gallivm, type);
ret_type = LLVMStructTypeInContext(gallivm->context, val_type, 5, 0);

8
src/gallium/auxiliary/gallivm/lp_bld_nir_soa.c
View file

@ -5273,6 +5273,11 @@ lp_build_nir_sample_key(gl_shader_stage stage, nir_tex_instr *instr)
explicit_lod = true;
lod_src = i;
break;
case nir_tex_src_min_lod:
sample_key |= LP_SAMPLER_MIN_LOD;
explicit_lod = true;
lod_src = i;
break;
case nir_tex_src_offset:
sample_key |= LP_SAMPLER_OFFSETS;
break;
@ -5364,6 +5369,9 @@ visit_tex(struct lp_build_nir_soa_context *bld, nir_tex_instr *instr)
else
explicit_lod = cast_type(bld, get_src(bld, &instr->src[i].src, 0), nir_type_float, 32);
break;
case nir_tex_src_min_lod:
params.min_lod = cast_type(bld, get_src(bld, &instr->src[i].src, 0), nir_type_float, 32);
break;
case nir_tex_src_ddx: {
int deriv_cnt = instr->coord_components;
if (instr->is_array)

10
src/gallium/auxiliary/gallivm/lp_bld_sample.c
View file

@ -827,6 +827,7 @@ lp_build_lod_selector(struct lp_build_sample_context *bld,
const struct lp_derivatives *derivs,
LLVMValueRef lod_bias, /* optional */
LLVMValueRef explicit_lod, /* optional */
LLVMValueRef min_lod, /* optional */
enum pipe_tex_mipfilter mip_filter,
LLVMValueRef *out_lod,
LLVMValueRef *out_lod_ipart,
@ -992,14 +993,17 @@ lp_build_lod_selector(struct lp_build_sample_context *bld,
lod = lp_build_min(lodf_bld, lod, max_lod);
}
if (bld->static_sampler_state->apply_min_lod) {
LLVMValueRef min_lod =
LLVMValueRef desc_min_lod =
dynamic_state->min_lod(bld->gallivm, bld->resources_type,
bld->resources_ptr, sampler_unit);
min_lod = lp_build_broadcast_scalar(lodf_bld, min_lod);
desc_min_lod = lp_build_broadcast_scalar(lodf_bld, desc_min_lod);
lod = lp_build_max(lodf_bld, lod, min_lod);
lod = lp_build_max(lodf_bld, lod, desc_min_lod);
}
if (min_lod)
lod = lp_build_max(lodf_bld, lod, min_lod);
if (is_lodq) {
*out_lod_fpart = lod;
return;

6
src/gallium/auxiliary/gallivm/lp_bld_sample.h
View file

@ -99,7 +99,8 @@ enum lp_sampler_op_type {
#define LP_SAMPLER_GATHER_COMP_MASK (3 << 8)
#define LP_SAMPLER_FETCH_MS (1 << 10)
#define LP_SAMPLER_RESIDENCY (1 << 11)
#define LP_SAMPLE_KEY_COUNT (1 << 12)
#define LP_SAMPLER_MIN_LOD (1 << 12)
#define LP_SAMPLE_KEY_COUNT (1 << 13)
/* Parameters used to handle TEX instructions */
@ -118,6 +119,7 @@ struct lp_sampler_params
const LLVMValueRef *offsets;
LLVMValueRef ms_index;
LLVMValueRef lod;
LLVMValueRef min_lod;
const struct lp_derivatives *derivs;
LLVMValueRef *texel;
@ -666,6 +668,7 @@ lp_build_lod_selector(struct lp_build_sample_context *bld,
const struct lp_derivatives *derivs,
LLVMValueRef lod_bias, /* optional */
LLVMValueRef explicit_lod, /* optional */
LLVMValueRef min_lod, /* optional */
enum pipe_tex_mipfilter mip_filter,
LLVMValueRef *out_lod,
LLVMValueRef *out_lod_ipart,
@ -811,6 +814,7 @@ lp_build_sample_soa_code(struct gallivm_state *gallivm,
const LLVMValueRef *offsets,
const struct lp_derivatives *derivs, /* optional */
LLVMValueRef lod, /* optional */
LLVMValueRef min_lod, /* optional */
LLVMValueRef ms_index, /* optional */
LLVMValueRef *texel_out);

8
src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
View file

@ -2354,6 +2354,7 @@ lp_build_sample_common(struct lp_build_sample_context *bld,
const struct lp_derivatives *derivs, /* optional */
LLVMValueRef lod_bias, /* optional */
LLVMValueRef explicit_lod, /* optional */
LLVMValueRef min_lod, /* optional */
LLVMValueRef *lod_pos_or_zero,
LLVMValueRef *lod,
LLVMValueRef *lod_fpart,
@ -2455,7 +2456,7 @@ lp_build_sample_common(struct lp_build_sample_context *bld,
first_level_vec,
coords[0], coords[1], coords[2],
derivs, lod_bias, explicit_lod,
mip_filter, lod,
min_lod, mip_filter, lod,
&lod_ipart, lod_fpart, lod_pos_or_zero,
aniso_values);
if (is_lodq) {
@ -3162,6 +3163,7 @@ lp_build_sample_soa_code(struct gallivm_state *gallivm,
const LLVMValueRef *offsets,
const struct lp_derivatives *derivs, /* optional */
LLVMValueRef lod, /* optional */
LLVMValueRef min_lod, /* optional */
LLVMValueRef ms_index, /* optional */
LLVMValueRef *texel_out)
{
@ -3611,7 +3613,7 @@ lp_build_sample_soa_code(struct gallivm_state *gallivm,
lp_build_sample_common(&bld, op_is_lodq, texture_index, sampler_index,
newcoords, derivs, lod_bias, explicit_lod,
&lod_positive, &lod, &lod_fpart,
min_lod, &lod_positive, &lod, &lod_fpart,
&ilevel0, &ilevel1, &aniso_values);
if (op_is_lodq) {
@ -3987,6 +3989,7 @@ lp_build_sample_gen_func(struct gallivm_state *gallivm,
offsets,
deriv_ptr,
lod,
NULL,
ms_index,
texel_out);
@ -4251,6 +4254,7 @@ lp_build_sample_soa(const struct lp_static_texture_state *static_texture_state,
params->offsets,
params->derivs,
params->lod,
NULL,
params->ms_index,
params->texel);
}

6
src/gallium/drivers/llvmpipe/lp_texture_handle.c
View file

@ -536,6 +536,10 @@ compile_sample_function(struct llvmpipe_context *ctx, struct lp_static_texture_s
if (lod_control == LP_SAMPLER_LOD_BIAS || lod_control == LP_SAMPLER_LOD_EXPLICIT)
lod = LLVMGetParam(function, arg_index++);
LLVMValueRef min_lod = NULL;
if (sample_key & LP_SAMPLER_MIN_LOD)
min_lod = LLVMGetParam(function, arg_index++);
LLVMBuilderRef old_builder = gallivm->builder;
LLVMBasicBlockRef block = LLVMAppendBasicBlockInContext(gallivm->context, function, "entry");
gallivm->builder = LLVMCreateBuilderInContext(gallivm->context);
@ -545,7 +549,7 @@ compile_sample_function(struct llvmpipe_context *ctx, struct lp_static_texture_s
if (supported) {
lp_build_sample_soa_code(gallivm, texture, sampler, lp_build_sampler_soa_dynamic_state(sampler_soa),
type, sample_key, 0, 0, cs.jit_resources_type, NULL, cs.jit_cs_thread_data_type,
NULL, coords, offsets, NULL, lod, ms_index, texel_out);
NULL, coords, offsets, NULL, lod, min_lod, ms_index, texel_out);
} else {
lp_build_sample_nop(gallivm, lp_build_texel_type(type, util_format_description(texture->format)), coords, texel_out);
}